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304 Stainless Steel Powder Metallurgy

Powder metallurgy is an advanced manufacturing technique that involves the production of metal components from metal powders. Among the various materials used in this process, 304 stainless steel stands out due to its excellent corrosion resistance, high strength, and versatility. This article provides an overview of the characteristics, applications, and advantages of 304 stainless steel produced through powder metallurgy.

304 stainless steel is an austenitic stainless steel, primarily composed of 18% chromium and 8% nickel, with small amounts of carbon, manganese, and silicon. It is widely used in industries such as automotive, aerospace, medical devices, and consumer goods due to its ability to withstand harsh environments and mechanical stress.

Key Characteristics of 304 Stainless Steel Powder Metallurgy

Corrosion Resistance

304 stainless steel is highly resistant to corrosion, making it suitable for applications exposed to moisture, chemicals, and extreme temperatures.

High Strength

Components produced through powder metallurgy exhibit excellent mechanical properties, including high tensile strength and durability.

Complex Geometries

The powder metallurgy process allows for the creation of intricate shapes and designs that are difficult or impossible to achieve with traditional manufacturing methods.

Cost Efficiency

Powder metallurgy reduces material waste and minimizes the need for secondary machining, leading to cost savings.

Uniform Microstructure

The process ensures a homogeneous microstructure, enhancing the material's performance and reliability.

Applications of 304 Stainless Steel Powder Metallurgy

304 stainless steel powder metallurgy is used in a wide range of applications, including:

Automotive Components

Engine parts, exhaust systems, and sensors benefit from the material's durability and resistance to high temperatures.

Medical Devices

Surgical instruments, implants, and diagnostic equipment rely on 304 stainless steel for its biocompatibility and corrosion resistance.

Consumer Electronics

Housings, connectors, and structural components in electronics leverage the material's strength and aesthetic appeal.

Industrial Equipment

Valves, pumps, and fasteners in industrial settings require the robustness and corrosion resistance of 304 stainless steel.

Advantages of Powder Metallurgy for 304 Stainless Steel

Design Flexibility

The ability to create complex shapes and customized components meets specific application needs.

Material Efficiency

Powder metallurgy minimizes material loss, making it an environmentally friendly option.

Consistency

The process ensures uniform properties across components, enhancing product reliability.

Scalability

Powder metallurgy is suitable for both small and large-scale production, offering flexibility in manufacturing.

304 stainless steel powder metallurgy is a highly effective method for producing high-performance components with superior corrosion resistance, strength, and design flexibility. Its applications span across various industries, making it a valuable material for modern manufacturing. As technology advances, the potential for 304 stainless steel in powder metallurgy continues to grow, offering innovative solutions to complex engineering challenges.

Special Products

Many special products are possible with powder metallurgy technology. A non-exhaustive list includes Al2O3 whiskers coated with very thin oxide layers for improved refraction; iron compacts with Al2O3 coatings for improved high-temperature creep strength; light bulb filaments made with powder technology; linings for friction brakes; metal glasses for high-strength films and ribbons; heat shields for spacecraft reentry into Earth's atmosphere; electrical contacts for handling large current flows; magnets; microwave ferrites; filters for gases; and bearings which can be infiltrated with lubricants.

Extremely thin films and tiny spheres exhibit high strength. One application of this observation is to coat brittle materials in whisker form with a submicrometre film of much softer metal (e.g. cobalt-coated tungsten). The surface strain of the thin layer places the harder metal under compression, so that when the entire composite is sintered the rupture strength increases markedly. With this method, strengths on the order of 2.8 GPa versus 550 MPa have been observed for, respectively, coated (25% cobalt) and uncoated tungsten carbides.

Performance (After Sintering)

Meterial	Density	Hardness	Stretchability	Yield strength	Elongation
304L	≥7.8g/cm²	≥120 HV10	≥500MPa	≥180MPa	≥50%
316L	≥7.8g/cm²	≥120 HV10	≥500MPa	≥180MPa	≥50%
310	≥7.6g/cm²	≥45HRA	≥782MPa	≥436MPa	≥18%
17-4PH	≥7.7g/cm²	HRC15-25	≥960MPa	≥730MPa	≥5%
440C	≥7.50g/cm²	HRC30-40	≥600MPa	≥250MPa	≥8%
420W	≥7.50g/cm²	HRC30-40	--	--	--
430	≥7.45g/cm²	100-150HV	--	--	--
SKD11	≥7.50g/cm²	HRC30-40	--	--	--
8620	≥7.45g/cm²	HRC20	--	--	--
4140	≥7.45g/cm²	HRC20	--	--	--
1010	≥7.50g/cm²	150HV	--	--	--
Fe2NiO.5Mo	≥7.55g/cm²	≥150HV	--	--	--
Fe4NiO.5Mo	≥7.55g/cm²	≥150HV	--	--	--
Fe8NiO.5Mo	≥7.55g/cm²	90-140HV	--	--	--

Material We Use

Stainless Steel (304L/316L/310/17-4PJ/440C etc.)

Sintered Carbide (Fe2Ni/Fe4Ni/Fe8Ni/Fe50Ni/Fe80Ni etc. )

Application Industry

3C Mobile phone and computer accessories

Automation equipment accessories

Smart watch accessories

Fishing gear accessories

Game console controller accessories

Handlelights lighting accessories

Product Description

Technology	Powder Metallurgy	Metal injection moding
General Material	Fc0208/Fn0208	17-4Ph/4605
Density	6.7-6.8	7.7-7.8
Hardness	Fc0208(20-30HRC) Fn0208(35-40HRC)	17-4Ph(35-40HRC) 4605(45-50HRC)
Application	Medical apparatus and instruments Hardware field Automobile industry Home appliances

Company Profile

BSH was established in 2015. Our company located in Songgang Town, Baoan district, Shenzhen, China.We are mold designer,provide additional services ( CNC machining, MIM ,Injection,die casting ,polishing, deburring, sanding, drilling, tapping and so on ) To meet our customer's specifications. We also supply all kinds of surface treatment(painting, anodizing, power coating ,sand blast, chrome plating etc.). Now the factory is with 5000 square meter, company total assets is 15 million RMB ,and a staff of nearly 150 members and workers, among which there are 12 engineers and over 50 senior technicians, who can make 3D designing and technical drawings with CAD/ CAM/ CAE according to our customers' requirements , and use CNC Processing Center, EDM center, 3-coordinate measurer, NC imitating milling machine, large precision EDM, high-speed milling machines, spot machine, wiring machine and so on.